dissimule

Verb

dissemble (third-person singular simple present dissembles, present participle dissembling, simple past and past participle dissembled)

1. (transitive) To disguise or conceal something.
   • Dissemble all your griefs and discontents.c. 1588–1593 (date written), William Shakespeare, “The Lamentable Tragedy of Titus Andronicus”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac...
2. (transitive) To feign, dissimulate.
   • And like a Lyon, Slumbring in the vvay, / Or Sleep-diſſembling, vvhile he vvaits his Prey, […]1681, [John Dryden], Absalom and Achitophel. A Poem, London: […] J[acob] T[onson] and are to be sold by W. Davis […], →OCLC, page 14
3. (transitive) To deliberately ignore something; to pretend not to notice.

   Synonyms:

   disregard, take no notice of, brush off, discount, despise, ignore, misheed, misregard, neglect, pass

4. (intransitive) To falsely hide one's opinions or feelings.
   • VVhile to his Arms the bluſhing Bride he took; / To ſeeming Sadneſs ſhe compoſ'd her Look; / As if by Force ſubjected to his VVill, / Tho' pleaſ'd, diſſembling, and a VVoman ſtill.1700, [John] Dryden, “Cymon and Iphigenia, from Boccace”, in Fables Ancient and Modern; […], London: […] Jacob Tonson, […], →OCLC, page 552